In this paper we present a methodology to analyze the behavior and performance of Java application servers using a performance analysis framework. This framework considers all lev...
Jordi Guitart, David Carrera, Jordi Torres, Eduard...
Modern relational database systems are beginning to support ad hoc queries on mining models. In this paper, we explore novel techniques for optimizing queries that apply mining mo...
Surajit Chaudhuri, Vivek R. Narasayya, Sunita Sara...
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
—This paper reveals weaknesses of existing e-learning system and puts forward a novel architecture of five layers from the perspective of knowledge innovation. Learner interface ...
As storage systems grow larger and more complex, the traditional block-based design of current disks can no longer satisfy workloads that are increasingly metadata intensive. A ne...
Ananth Devulapalli, Dennis Dalessandro, Pete Wycko...